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United States Patent | 5,010,065 |
Skuballa ,   et al. | April 23, 1991 |
The invention relates to cyclodextrin clathrates of 5-cyanoprostacyclin analogs.
Inventors: | Skuballa; Werner (Berlin, DE); Dahl; Helmut (Berlin, DE); Vorbrueggen; Helmut (Berlin, DE); Loge; Olaf (Berlin, DE); Thierauch; Karl-Heinz (Berlin, DE) |
Assignee: | Schering Aktiengesellschaft (Berlin and Bergkamen, DE) |
Appl. No.: | 276754 |
Filed: | November 28, 1988 |
Nov 27, 1987[DE] | 3740838 |
Current U.S. Class: | 514/58; 424/493; 514/465; 536/103 |
Intern'l Class: | A61K 031/335; C07D 307/93 |
Field of Search: | 536/103 514/58,465 424/493 |
3816393 | Jun., 1974 | Hayashi et al. | 536/103. |
4219479 | Aug., 1980 | Vorbruggen et al. | 514/465. |
Foreign Patent Documents | |||
64511 | Jul., 1975 | AU. | |
2840142 | Apr., 1979 | DE. | |
2128674 | Jun., 1982 | DE. | |
56-150039 | Apr., 1980 | JP. | |
2006193 | May., 1979 | GB. | |
2017699 | Oct., 1979 | GB. | |
2189783 | Nov., 1987 | GB. |
Chemical Abstracts, vol. 103, No. 20, 11-18-85, l. Koji et al., "Prostaglandins and Their Cyclodextrin Complexes", 16608d, 359. Kirk-Othmer-Concise Encyclopedia of Chemical Technology 1985, pp. 282 & 283. Advanced Organic Chemistry Mar. 1985, pp. 79 & 80. |